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OpenSolaris Community: Logical Domains

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LDoms Overview

Logical Domains, or LDoms, technology allows a user to allocate a system's various resources, such as memory, CPUs, and devices, into logical groupings and create multiple, discrete systems, each with their own operating system, resources, and identity within a single computer system.

Getting Started

Documentation

Get the Software

Discussions

Wikis

  • Logical Domains Wiki
  • Solaris Cluster Wiki on LDoms Support Wiki

Reviews

  • T5120/T5220 Review, by Octave Orgeron (PDF)
  • The SPARC Enterprise T5140/T5240 and Virtualization, By Octave Orgeron (PDF)
Technical Papers

  • An Introduction to Logical Domains, Part 1 - By Octave Orgeron (Reprinted from ;login: The Magazine of USENIX, vol. 32, no. 4 (Berkeley, CA: USENIX Association, [2007]), pg. 20-24. (PDF)
  • An Introduction to Logical Domains, Part 2 - By Octave Orgeron (Reprinted from ;login: The Magazine of USENIX, vol. 32, no. 5 (Berkeley, CA: USENIX Association, [2007]), pg. 26-34. (PDF)
  • An Introduction to Logical Domains, Part 3 - By Octave Orgeron (Reprinted from ;login: The Magazine of USENIX, vol. 33, no. 1 (Berkeley, CA: USENIX Association, [2008]), pg. 39-47. (PDF)
  • An Introduction to Logical Domains, Part 4 - By Octave Orgeron (Reprinted from ;login: The Magazine of USENIX, vol. 33, no. 2 (Berkeley, CA: USENIX Association, [2008]), pg. 24-33. (PDF)
  • Sun BluePrints, Sun Server Virtualization Technology, by Jeff Savit (HTML)
  • Sun BluePrints, Solaris Operating System Hardware Virtualization Product Architecture, by Chien-Hua Yen (PDF)
  • Sun BluePrints, Using Logical Domains and CoolThreads Technology: Improving Scalability and System Utilization, by Ning Sun and Lee Anne Simmons (PDF)
  • Sun BluePrints, LDOMS I/O Best Practices: Data Reliability with Logical Domains, by Peter A. Wilson (PDF)
  • Sun BluePrints, LDOMS I/O Best Practices: Network Availability with Logical Domains, by Peter A. Wilson (PDF)
  • LDoms Community Cookbook - Tasty Recipes for Sun Logical Domains (Wiki Page) New
  • Deploying Sugar CRM on Sun Logical Domains for Increased Scalability (PDF) New

Presentations

Blog Entries

Blogs

Raghuram Kothakota - NIU Hybrid I/O

Dec 24, 11:54 PM

NIU Hybrid I/O feature is one of the significant network features released with LDoms1.1. NIU Hybrid I/O provides a very high  bandwidth with low latency directly to a Guest domain. This technology ...

Octave Orgeron - LDoms 1.1 Details

Dec 24, 10:22 AM

Our good friend Alexandre Chartre has a great blog entry with some details! It's an excellent read! I think the ability to do Warm Migrations, enhanced dynamic reconfiguration, and enhancements to ...

Octave Orgeron - LDoms 1.1 Released!

Dec 24, 9:45 AM

I'm very pleased to announce that LDoms 1.1 has been released today! This is major update to the product. Here are the new features: Warm and Cold Migration Network NIU Hybrid I/O VLAN Tagging ...

sharakan - LDoms 1.1

Dec 24, 9:37 AM

Just in time for the holidays, LDoms version 1.1 is now available! This is a major new release of Logical Domains technology, with an extensive list of new features & bugfixes. Here are the ...

achartre - LDoms 1.1

Dec 24, 9:15 AM

It's been a while I haven't added a new entry to this blog, but there was a good reason: we have been working very hard on a new release of the LDoms product. This new release is now available as ...